Great Britain 1915 2s6d Yellow brown (watermark reversed). SG406wjGreat Britain 1915 2s6d Yellow brown (watermark reversed). Very fine unused original gum perfectly centred bottom right hand marginal block of four (three stamps unmounted original gum) of this rare watermark variety which is also dramatically misplaced and bisected between the stamps, the watermark clearly showing in sheet margin. Light gum wrinkles as usually seen not detracting from this magnificent and very rare multiple. Spec N64(6)G. SG406wj BUY